Home
Class 12
MATHS
If the straighat lines x=1+s,y=-3-lamdas...

If the straighat lines `x=1+s,y=-3-lamdas,z=1+lamdas and x=t/2,y=1+t,z=2-t` with parameters s and t respectively, are coplanar, then `lamda` equals (A) `-1/2` (B) `-1` (C) `-2` (D) `0`

A

0

B

`-1`

C

`-1/2`

D

`-2`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PLANE IN SPACE

    MARVEL PUBLICATION|Exercise PREVIOUS YEAR MHT-CET EXAM QUESTIONS|3 Videos

  • PLANE IN SPACE

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP- CHAPTERS 6,7,8|16 Videos

  • PLANE IN SPACE

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP- CHAPTERS 6,7,22|1 Videos

  • PAIR OF STRAIGHT LINES

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|19 Videos

  • THREE DIMENSIONAL GEOMETRY

    MARVEL PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|39 Videos

Similar Questions

Explore conceptually related problems

If the straight lines x=1+s,y=-3-lambda s,z=1+lambdas and x=(1)/(2),y=1+t,z=2-t ,with parameters s and t respectively,are co-planar then lambda .Equals

If the straight lines x=-1+s,y=3-lambda s,z=1+lambda s and x=(t)/(2),y=1+t,z=2-t with paramerters s and t, respectivley,are coplanar,then find lambda

If the lines x = 1 + s, y = - 3 - lamda s , z = 1 + lamda s and x = ( t ) / ( s ) , y = 1 + t , z = 2 - t are coplanar, then lamda is equal to

int2^x/sqrt(1-4^x) dx =lamda sin^-1 2^x+c then lamda equals to

The distance between the lines x=1-4t, y=2+t, z=3+2t" and "x=1+s, y=4-2s, z=-1+s is

If the angle theta between the line (x+1)/1=(y-1)/2=(z-2)/2 and the plane 2x-y+sqrt(lamda)z+4=0 is such that sintheta=1/3 then the value of lamda is (A) -4/3 (B) 4/3 (C) -3/5 (D) 5/3

If lamda_1 " and " lamda_2 are the wavelengths of the first members of the Lyman and paschen series respectively, then lamda_1/lamda_2 is equal to

MARVEL PUBLICATION-PLANE IN SPACE -PART B: MASTERING THE BEST ON LINE AND PLANE IN SPACE
  1. Value of k such that the line (x-4)/1 = (y-2)/1 =(z-k)/2 lies in th...

    Text Solution

    |

  2. A line with direction cosines proportional to 2,1,2 meet each of the l...

    Text Solution

    |

  3. If the straighat lines x=1+s,y=-3-lamdas,z=1+lamdas and x=t/2,y=1+t,z=...

    Text Solution

    |

  4. If bara,barb,barc are any three coplanar unit vectors then

    Text Solution

    |

  5. If the angle theta between the line (x+1)/(1)=(y-1)/(2)=(z-2)/(2) and ...

    Text Solution

    |

  6. Let L be the line of intersection of the planes 2x+3y+z=1 and x+3y+2z=...

    Text Solution

    |

  7. If the line passing through the points (5,1,p) and (3,q,1) crosses the...

    Text Solution

    |

  8. If the straight lines (x-1)/k = (y-2)/2 =(z-3)/3 and (x-2)/3 = (y-3)...

    Text Solution

    |

  9. If the line (x-2)/3 =(y-1)/-5 =(z+2)/2 lies in the plane x+3y - alpha...

    Text Solution

    |

  10. Let P(3,2,6) be a point in space and Q be a point on line vec r=( hat...

    Text Solution

    |

  11. A variable plane x/a+y/b+z/c=1 at a unit distance from origin cuts the...

    Text Solution

    |

  12. A unit vector a makes an angle pi/ 4 with z-axis. If a + i + j is a un...

    Text Solution

    |

  13. Let alpha,beta,gamma be distinct real numbers. The points with positio...

    Text Solution

    |

  14. The projection of a vector on the three coordinate axes are 6, -3, 2, ...

    Text Solution

    |

  15. The plane barr = s(i+2j-4k) +t(3i+4j-4k) +(1-t)(2i-7j+3k) is paralle...

    Text Solution

    |

  16. A line with positive direction cosines passes through the point P(2, –...

    Text Solution

    |

  17. The equation of the plane containing the straight line x/2=y/3=z/4 and...

    Text Solution

    |

  18. If a plane meets coordinate axes in points A,B,C such that the centroi...

    Text Solution

    |

  19. Find the equations of the bisectors of the angles between the plane...

    Text Solution

    |

  20. If the perpendicular distance of a point A, other than the origin from...

    Text Solution

    |